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Finding the Fourth Proportional to 925.62, 1,277.26 and 532.56

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Solution

The fourth proportional to 925.62, 1,277.26 and 532.56 is: 734.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.62 : 1,277.26 = 532.56 : x
  2. Step 2: Convert to fraction form
    925.62/1,277.26 = 532.56/x
  3. Step 3: Cross multiply
    925.62x = 1,277.26 × 532.56
  4. Step 4: Simplify right side
    925.62x = 680,217.59
  5. Step 5: Solve for x
    x = 680,217.59/925.62
  6. Step 6: Final answer
    x = 734.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.